[channels]
language=en
context=incoming
signalling=fxs_ks
echocancel=yes
echocancelwhenbridged=yes
echotraining=yes
relaxdtmf=yes
rxgain=-4
txgain=-4
immediate=no
busydetect=no
callprogress=no
musiconhold=default
usecallerid=yes
callerid=asreceived
callwaiting=no
;cidsignalling=bell
;cidstart=polarity
channel => 1-4